Wyo. Stat. Ann. § 27-4-304

Any employer who willfully violates any provision of this act, or who discharges or in any other manner discriminates against any employee because the employee has made any complaint to his employer, the director or any other person, or instituted, or caused to be instituted any proceeding under or related to this act, or has testified or is about to testify in the proceedings, shall, upon conviction by a court of competent jurisdiction, be punished by a fine of not more than five hundred dollars ($500.00), by imprisonment for not more than six (6) months, or both.